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54348489 = 341351613
BaseRepresentation
bin1100111101010…
…0101011001001
310210021012010000
43033110223021
5102403122424
65220513213
71226645256
oct317245311
9123235100
1054348489
1128750908
121624b809
13b34b790
14730a42d
154b883c9
hex33d4ac9

54348489 has 20 divisors (see below), whose sum is σ = 87434116. Its totient is φ = 33444576.

The previous prime is 54348461. The next prime is 54348509. The reversal of 54348489 is 98484345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 41062464 = 3645^2 + 6408^2 .

It is not a de Polignac number, because 54348489 - 225 = 20794057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54348089) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24754 + ... + 26859.

Almost surely, 254348489 is an apocalyptic number.

It is an amenable number.

54348489 is a deficient number, since it is larger than the sum of its proper divisors (33085627).

54348489 is a wasteful number, since it uses less digits than its factorization.

54348489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51638 (or 51629 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 54348489 is about 7372.1427685579. The cubic root of 54348489 is about 378.7876621699.

The spelling of 54348489 in words is "fifty-four million, three hundred forty-eight thousand, four hundred eighty-nine".

Divisors: 1 3 9 13 27 39 81 117 351 1053 51613 154839 464517 670969 1393551 2012907 4180653 6038721 18116163 54348489